Ruby
Elegant and expressive programming language known for its simplicity and productivity, widely used for web development and building robust applications with Rails framework.
Created on
Jan 15, 2023
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Checking if a Value Exists in an Array
In Ruby, you can easily check if a value exists in an array using built-in methods and operators.
Using the include? Method
What is the include? Metho...
Converting a String to Lower or Upper Case
In Ruby, you can easily convert a string to either lower case or upper case using built-in methods.
Converting to Lower Case with downcase
What is dow...
Ruby Function to Remove All White Spaces
In Ruby, you can create a custom function to remove all white spaces from a given string.
Using the gsub Method with Regular Expression
What is gsub?...
Calling Shell Commands from Ruby
In Ruby, you can execute shell commands and interact with the command-line environment using various methods.
Using backticks (`) or %x
What are backt...
Installing a Specific Version of a Ruby Gem
When working with Ruby gems, you might need to install a particular version of a gem to ensure compatibility with your project. Fortunately, Ruby's pa...
Summing Array of Numbers in Ruby
In Ruby, you can easily calculate the sum of an array of numbers using built-in methods.
Using the sum Method
What is sum?
The sum method is a conveni...
Writing a Switch Statement in Ruby
In Ruby, a switch statement is achieved using the case statement. It allows you to compare the value of an expression against multiple conditions and...
Checking Whether a String Contains a Substring
In Ruby, you can easily determine if a string contains a specific substring using built-in methods.
Using the include? Method
What is include?
The inc...
Understanding attr_accessor
In Ruby, attr_accessor is a convenient and commonly used method that provides a shortcut for defining getter and setter methods for instance variables...
